David Dwayne Williams has conducted more than seventy evaluation studies throughout many countries. He also conducts qualitative research on people’s personal and professional evaluation lives, including how they use evaluation to enhance learning in various settings. He has published more than forty articles and books and made more than one hundred professional presentations examining interactions among stakeholders as they use their values to shape criteria and standards for evaluating learning environments and experiences. Dr. Williams is an emeritus professor from IPT at Brigham Young University.